MFM Building Products, a manufacturer of a full envelope of waterproofing and weather-barrier products for the building industry, is proud to offer a non-butyl-based window flashing tape, WindowWrap PowerBond. This self-adhering, self-sealing waterproofing tape is composed of a silver polymer film coated with an aggressive PowerBond asphalt adhesive that aggressively adheres in temperatures as low as 25 F (4 C). The product offers a 180-day UV exposure rating.
WindowWrap PowerBond is designed to be used as a waterproof tape around windows, doors, building seams and in general construction. The PowerBond adhesive self-seals around common fasteners and protects from water, air, insect and noise penetration. Use to seal the window flange to the building wall to prevent window leaks, seal around doors, under siding, exterior plaster, sill plates and wall joints. It can also be installed on the window sill to protect against moisture that can contribute to rot, mold and mildew.
WindowWrap PowerBond has a thickness of 25 mils and is available in 4-, 6-, 9- and 12-inch widths by 100-foot-long rolls. Product can be purchased in contractor cartons or shrink-wrapped/labeled retail packaging. WindowWrap PowerBond comes with a 12-year limited warranty.
MFM also offers WindowWrap Flex PowerBond, a highly flexible flashing tape composed of a polyethylene crepe film that stretches to seal around curved shapes and is ideal for installation on the window sill for maximum protection.